177648640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 176

約数和(自身を含む): 489020112

約数和(自身を除く): 311371472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 157, 160, 170, 208, 221, 256, 260, 272, 314, 320, 340, 416, 442, 512, 520, 544, 628, 640, 680, 785, 832, 884, 1024, 1040, 1088, 1105, 1256, 1280, 1360, 1570, 1664, 1768, 2041, 2080, 2176, 2210, 2512, 2560, 2669, 2720, 3140, 3328, 3536, 4082, 4160, 4352, 4420, 5024, 5120, 5338, 5440, 6280, 6656, 7072, 8164, 8320, 8704, 8840, 10048, 10205, 10676, 10880, 12560, 13312, 13345, 14144, 16328, 16640, 17408, 17680, 20096, 20410, 21352, 21760, 25120, 26690, 28288, 32656, 33280, 34697, 35360, 40192, 40820, 42704, 43520, 50240, 53380, 56576, 65312, 66560, 69394, 70720, 80384, 81640, 85408, 87040, 100480, 106760, 113152, 130624, 138788, 141440, 160768, 163280, 170816, 173485, 200960, 213520, 226304, 261248, 277576, 282880, 326560, 341632, 346970, 401920, 427040, 522496, 555152, 565760, 653120, 683264, 693940, 803840, 854080, 1044992, 1110304, 1131520, 1306240, 1366528, 1387880, 1708160, 2089984, 2220608, 2612480, 2733056, 2775760, 3416320, 4441216, 5224960, 5551520, 6832640, 8882432, 10449920, 11103040, 13665280, 17764864, 22206080, 35529728, 44412160, 88824320, 177648640]

約数ペア:

[(1, 177648640), (2, 88824320), (4, 44412160), (5, 35529728), (8, 22206080), (10, 17764864), (13, 13665280), (16, 11103040), (17, 10449920), (20, 8882432), (26, 6832640), (32, 5551520), (34, 5224960), (40, 4441216), (52, 3416320), (64, 2775760), (65, 2733056), (68, 2612480), (80, 2220608), (85, 2089984), (104, 1708160), (128, 1387880), (130, 1366528), (136, 1306240), (157, 1131520), (160, 1110304), (170, 1044992), (208, 854080), (221, 803840), (256, 693940), (260, 683264), (272, 653120), (314, 565760), (320, 555152), (340, 522496), (416, 427040), (442, 401920), (512, 346970), (520, 341632), (544, 326560), (628, 282880), (640, 277576), (680, 261248), (785, 226304), (832, 213520), (884, 200960), (1024, 173485), (1040, 170816), (1088, 163280), (1105, 160768), (1256, 141440), (1280, 138788), (1360, 130624), (1570, 113152), (1664, 106760), (1768, 100480), (2041, 87040), (2080, 85408), (2176, 81640), (2210, 80384), (2512, 70720), (2560, 69394), (2669, 66560), (2720, 65312), (3140, 56576), (3328, 53380), (3536, 50240), (4082, 43520), (4160, 42704), (4352, 40820), (4420, 40192), (5024, 35360), (5120, 34697), (5338, 33280), (5440, 32656), (6280, 28288), (6656, 26690), (7072, 25120), (8164, 21760), (8320, 21352), (8704, 20410), (8840, 20096), (10048, 17680), (10205, 17408), (10676, 16640), (10880, 16328), (12560, 14144), (13312, 13345)]